./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b4a58c-03a2-4fa9-a92d-fd787fb38eae/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b4a58c-03a2-4fa9-a92d-fd787fb38eae/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b4a58c-03a2-4fa9-a92d-fd787fb38eae/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b4a58c-03a2-4fa9-a92d-fd787fb38eae/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b4a58c-03a2-4fa9-a92d-fd787fb38eae/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b4a58c-03a2-4fa9-a92d-fd787fb38eae/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 906036225f588312d23f50dd6f109319810cf1ead43ce885e134bcc5a0be0190 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:17:50,280 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:17:50,284 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:17:50,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:17:50,359 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:17:50,364 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:17:50,366 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:17:50,371 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:17:50,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:17:50,382 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:17:50,384 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:17:50,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:17:50,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:17:50,391 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:17:50,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:17:50,403 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:17:50,406 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:17:50,408 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:17:50,415 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:17:50,425 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:17:50,429 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:17:50,431 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:17:50,436 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:17:50,437 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:17:50,452 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:17:50,453 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:17:50,453 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:17:50,456 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:17:50,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:17:50,459 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:17:50,460 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:17:50,461 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:17:50,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:17:50,466 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:17:50,468 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:17:50,468 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:17:50,469 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:17:50,470 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:17:50,470 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:17:50,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:17:50,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:17:50,474 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b4a58c-03a2-4fa9-a92d-fd787fb38eae/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:17:50,530 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:17:50,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:17:50,531 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:17:50,532 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:17:50,541 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:17:50,541 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:17:50,542 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:17:50,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:17:50,542 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:17:50,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:17:50,544 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:17:50,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:17:50,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:17:50,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:17:50,546 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:17:50,546 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:17:50,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:17:50,546 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:17:50,547 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:17:50,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:17:50,547 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:17:50,548 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:17:50,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:17:50,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:17:50,549 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:17:50,549 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:17:50,549 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:17:50,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:17:50,550 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:17:50,552 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:17:50,552 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:17:50,553 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:17:50,553 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b4a58c-03a2-4fa9-a92d-fd787fb38eae/bin/uautomizer-GMMbpWq8iD/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b4a58c-03a2-4fa9-a92d-fd787fb38eae/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 906036225f588312d23f50dd6f109319810cf1ead43ce885e134bcc5a0be0190 [2021-10-28 23:17:50,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:17:50,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:17:50,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:17:50,898 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:17:50,899 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:17:50,901 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b4a58c-03a2-4fa9-a92d-fd787fb38eae/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c [2021-10-28 23:17:51,007 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b4a58c-03a2-4fa9-a92d-fd787fb38eae/bin/uautomizer-GMMbpWq8iD/data/4b100b6a2/aad71da50c0d42f9b74b3782b88dae17/FLAGb472dfb1d [2021-10-28 23:17:51,606 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:17:51,607 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b4a58c-03a2-4fa9-a92d-fd787fb38eae/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c [2021-10-28 23:17:51,621 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b4a58c-03a2-4fa9-a92d-fd787fb38eae/bin/uautomizer-GMMbpWq8iD/data/4b100b6a2/aad71da50c0d42f9b74b3782b88dae17/FLAGb472dfb1d [2021-10-28 23:17:51,910 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b4a58c-03a2-4fa9-a92d-fd787fb38eae/bin/uautomizer-GMMbpWq8iD/data/4b100b6a2/aad71da50c0d42f9b74b3782b88dae17 [2021-10-28 23:17:51,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:17:51,915 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:17:51,917 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:17:51,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:17:51,922 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:17:51,923 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:17:51" (1/1) ... [2021-10-28 23:17:51,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b4dea32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:17:51, skipping insertion in model container [2021-10-28 23:17:51,925 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:17:51" (1/1) ... [2021-10-28 23:17:51,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:17:51,987 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:17:52,377 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b4a58c-03a2-4fa9-a92d-fd787fb38eae/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c[14682,14695] [2021-10-28 23:17:52,384 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:17:52,397 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:17:52,477 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b4a58c-03a2-4fa9-a92d-fd787fb38eae/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c[14682,14695] [2021-10-28 23:17:52,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:17:52,498 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:17:52,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:17:52 WrapperNode [2021-10-28 23:17:52,499 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:17:52,501 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:17:52,501 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:17:52,501 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:17:52,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:17:52" (1/1) ... [2021-10-28 23:17:52,535 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:17:52" (1/1) ... [2021-10-28 23:17:52,621 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:17:52,623 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:17:52,623 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:17:52,623 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:17:52,634 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:17:52" (1/1) ... [2021-10-28 23:17:52,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:17:52" (1/1) ... [2021-10-28 23:17:52,648 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:17:52" (1/1) ... [2021-10-28 23:17:52,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:17:52" (1/1) ... [2021-10-28 23:17:52,692 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:17:52" (1/1) ... [2021-10-28 23:17:52,732 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:17:52" (1/1) ... [2021-10-28 23:17:52,737 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:17:52" (1/1) ... [2021-10-28 23:17:52,753 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:17:52,754 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:17:52,754 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:17:52,755 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:17:52,759 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:17:52" (1/1) ... [2021-10-28 23:17:52,771 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:17:52,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b4a58c-03a2-4fa9-a92d-fd787fb38eae/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:17:52,819 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b4a58c-03a2-4fa9-a92d-fd787fb38eae/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:17:52,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b4a58c-03a2-4fa9-a92d-fd787fb38eae/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:17:52,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:17:52,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:17:52,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:17:52,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:17:54,216 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:17:54,217 INFO L299 CfgBuilder]: Removed 123 assume(true) statements. [2021-10-28 23:17:54,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:17:54 BoogieIcfgContainer [2021-10-28 23:17:54,220 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:17:54,222 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:17:54,223 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:17:54,227 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:17:54,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:17:51" (1/3) ... [2021-10-28 23:17:54,228 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53c34753 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:17:54, skipping insertion in model container [2021-10-28 23:17:54,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:17:52" (2/3) ... [2021-10-28 23:17:54,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53c34753 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:17:54, skipping insertion in model container [2021-10-28 23:17:54,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:17:54" (3/3) ... [2021-10-28 23:17:54,231 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c [2021-10-28 23:17:54,238 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:17:54,238 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 23 error locations. [2021-10-28 23:17:54,322 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:17:54,333 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 23:17:54,333 INFO L340 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2021-10-28 23:17:54,371 INFO L276 IsEmpty]: Start isEmpty. Operand has 296 states, 272 states have (on average 1.7058823529411764) internal successors, (464), 295 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:17:54,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 23:17:54,381 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:17:54,382 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:17:54,382 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-10-28 23:17:54,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:17:54,390 INFO L85 PathProgramCache]: Analyzing trace with hash 349506240, now seen corresponding path program 1 times [2021-10-28 23:17:54,400 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:17:54,400 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504227776] [2021-10-28 23:17:54,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:17:54,402 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:17:54,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:17:54,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:17:54,724 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:17:54,724 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504227776] [2021-10-28 23:17:54,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504227776] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:17:54,726 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:17:54,726 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:17:54,739 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217995212] [2021-10-28 23:17:54,745 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 23:17:54,747 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:17:54,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 23:17:54,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:17:54,771 INFO L87 Difference]: Start difference. First operand has 296 states, 272 states have (on average 1.7058823529411764) internal successors, (464), 295 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:17:54,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:17:54,865 INFO L93 Difference]: Finished difference Result 572 states and 896 transitions. [2021-10-28 23:17:54,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 23:17:54,867 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-28 23:17:54,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:17:54,895 INFO L225 Difference]: With dead ends: 572 [2021-10-28 23:17:54,895 INFO L226 Difference]: Without dead ends: 292 [2021-10-28 23:17:54,923 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:17:54,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2021-10-28 23:17:54,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 292. [2021-10-28 23:17:54,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 269 states have (on average 1.5910780669144982) internal successors, (428), 291 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:17:54,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 428 transitions. [2021-10-28 23:17:54,994 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 428 transitions. Word has length 33 [2021-10-28 23:17:54,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:17:54,995 INFO L470 AbstractCegarLoop]: Abstraction has 292 states and 428 transitions. [2021-10-28 23:17:54,995 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:17:54,995 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 428 transitions. [2021-10-28 23:17:54,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 23:17:54,998 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:17:54,998 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:17:54,998 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:17:54,999 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-10-28 23:17:55,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:17:55,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1047215368, now seen corresponding path program 1 times [2021-10-28 23:17:55,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:17:55,001 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143743927] [2021-10-28 23:17:55,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:17:55,001 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:17:55,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:17:55,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:17:55,178 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:17:55,178 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143743927] [2021-10-28 23:17:55,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143743927] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:17:55,179 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:17:55,179 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:17:55,179 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322455062] [2021-10-28 23:17:55,181 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:17:55,181 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:17:55,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:17:55,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:17:55,182 INFO L87 Difference]: Start difference. First operand 292 states and 428 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:17:55,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:17:55,265 INFO L93 Difference]: Finished difference Result 570 states and 830 transitions. [2021-10-28 23:17:55,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:17:55,266 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-28 23:17:55,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:17:55,269 INFO L225 Difference]: With dead ends: 570 [2021-10-28 23:17:55,270 INFO L226 Difference]: Without dead ends: 292 [2021-10-28 23:17:55,272 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:17:55,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2021-10-28 23:17:55,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 292. [2021-10-28 23:17:55,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 269 states have (on average 1.546468401486989) internal successors, (416), 291 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:17:55,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 416 transitions. [2021-10-28 23:17:55,297 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 416 transitions. Word has length 33 [2021-10-28 23:17:55,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:17:55,297 INFO L470 AbstractCegarLoop]: Abstraction has 292 states and 416 transitions. [2021-10-28 23:17:55,298 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:17:55,298 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 416 transitions. [2021-10-28 23:17:55,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-28 23:17:55,300 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:17:55,301 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:17:55,301 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:17:55,301 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-10-28 23:17:55,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:17:55,302 INFO L85 PathProgramCache]: Analyzing trace with hash -600938825, now seen corresponding path program 1 times [2021-10-28 23:17:55,303 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:17:55,303 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109524408] [2021-10-28 23:17:55,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:17:55,304 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:17:55,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:17:55,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:17:55,603 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:17:55,603 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109524408] [2021-10-28 23:17:55,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109524408] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:17:55,604 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:17:55,604 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:17:55,604 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067847662] [2021-10-28 23:17:55,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:17:55,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:17:55,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:17:55,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:17:55,607 INFO L87 Difference]: Start difference. First operand 292 states and 416 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:17:55,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:17:55,679 INFO L93 Difference]: Finished difference Result 600 states and 864 transitions. [2021-10-28 23:17:55,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:17:55,680 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-10-28 23:17:55,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:17:55,684 INFO L225 Difference]: With dead ends: 600 [2021-10-28 23:17:55,684 INFO L226 Difference]: Without dead ends: 325 [2021-10-28 23:17:55,687 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:17:55,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2021-10-28 23:17:55,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 268. [2021-10-28 23:17:55,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 249 states have (on average 1.5261044176706828) internal successors, (380), 267 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:17:55,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 380 transitions. [2021-10-28 23:17:55,707 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 380 transitions. Word has length 44 [2021-10-28 23:17:55,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:17:55,708 INFO L470 AbstractCegarLoop]: Abstraction has 268 states and 380 transitions. [2021-10-28 23:17:55,708 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:17:55,709 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 380 transitions. [2021-10-28 23:17:55,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-28 23:17:55,711 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:17:55,711 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:17:55,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 23:17:55,712 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-10-28 23:17:55,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:17:55,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1585020226, now seen corresponding path program 1 times [2021-10-28 23:17:55,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:17:55,714 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513154813] [2021-10-28 23:17:55,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:17:55,714 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:17:55,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:17:55,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:17:55,850 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:17:55,850 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513154813] [2021-10-28 23:17:55,850 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513154813] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:17:55,851 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:17:55,851 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:17:55,851 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750122658] [2021-10-28 23:17:55,852 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:17:55,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:17:55,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:17:55,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:17:55,853 INFO L87 Difference]: Start difference. First operand 268 states and 380 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:17:55,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:17:55,913 INFO L93 Difference]: Finished difference Result 747 states and 1071 transitions. [2021-10-28 23:17:55,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:17:55,914 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-10-28 23:17:55,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:17:55,918 INFO L225 Difference]: With dead ends: 747 [2021-10-28 23:17:55,919 INFO L226 Difference]: Without dead ends: 496 [2021-10-28 23:17:55,920 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:17:55,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2021-10-28 23:17:55,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 303. [2021-10-28 23:17:55,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 284 states have (on average 1.5211267605633803) internal successors, (432), 302 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:17:55,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 432 transitions. [2021-10-28 23:17:55,960 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 432 transitions. Word has length 53 [2021-10-28 23:17:55,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:17:55,961 INFO L470 AbstractCegarLoop]: Abstraction has 303 states and 432 transitions. [2021-10-28 23:17:55,962 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:17:55,962 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 432 transitions. [2021-10-28 23:17:55,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-28 23:17:55,965 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:17:55,965 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:17:55,966 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 23:17:55,966 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-10-28 23:17:55,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:17:55,967 INFO L85 PathProgramCache]: Analyzing trace with hash -1396202520, now seen corresponding path program 1 times [2021-10-28 23:17:55,967 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:17:55,968 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412031085] [2021-10-28 23:17:55,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:17:55,969 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:17:56,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:17:56,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:17:56,049 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:17:56,050 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412031085] [2021-10-28 23:17:56,050 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412031085] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:17:56,050 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:17:56,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:17:56,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501649578] [2021-10-28 23:17:56,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:17:56,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:17:56,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:17:56,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:17:56,054 INFO L87 Difference]: Start difference. First operand 303 states and 432 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:17:56,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:17:56,100 INFO L93 Difference]: Finished difference Result 831 states and 1196 transitions. [2021-10-28 23:17:56,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:17:56,101 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-10-28 23:17:56,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:17:56,106 INFO L225 Difference]: With dead ends: 831 [2021-10-28 23:17:56,107 INFO L226 Difference]: Without dead ends: 545 [2021-10-28 23:17:56,108 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:17:56,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2021-10-28 23:17:56,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 328. [2021-10-28 23:17:56,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 309 states have (on average 1.5210355987055015) internal successors, (470), 327 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:17:56,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 470 transitions. [2021-10-28 23:17:56,129 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 470 transitions. Word has length 54 [2021-10-28 23:17:56,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:17:56,129 INFO L470 AbstractCegarLoop]: Abstraction has 328 states and 470 transitions. [2021-10-28 23:17:56,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:17:56,130 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 470 transitions. [2021-10-28 23:17:56,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-28 23:17:56,133 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:17:56,134 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:17:56,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 23:17:56,134 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-10-28 23:17:56,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:17:56,135 INFO L85 PathProgramCache]: Analyzing trace with hash -716144150, now seen corresponding path program 1 times [2021-10-28 23:17:56,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:17:56,136 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609097157] [2021-10-28 23:17:56,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:17:56,142 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:17:56,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:17:56,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:17:56,270 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:17:56,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609097157] [2021-10-28 23:17:56,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609097157] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:17:56,271 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:17:56,271 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:17:56,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446329468] [2021-10-28 23:17:56,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:17:56,272 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:17:56,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:17:56,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:17:56,274 INFO L87 Difference]: Start difference. First operand 328 states and 470 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:17:56,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:17:56,612 INFO L93 Difference]: Finished difference Result 1020 states and 1473 transitions. [2021-10-28 23:17:56,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 23:17:56,625 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-10-28 23:17:56,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:17:56,631 INFO L225 Difference]: With dead ends: 1020 [2021-10-28 23:17:56,644 INFO L226 Difference]: Without dead ends: 709 [2021-10-28 23:17:56,646 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:17:56,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2021-10-28 23:17:56,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 426. [2021-10-28 23:17:56,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 407 states have (on average 1.4914004914004915) internal successors, (607), 425 states have internal predecessors, (607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:17:56,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 607 transitions. [2021-10-28 23:17:56,727 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 607 transitions. Word has length 54 [2021-10-28 23:17:56,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:17:56,728 INFO L470 AbstractCegarLoop]: Abstraction has 426 states and 607 transitions. [2021-10-28 23:17:56,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:17:56,729 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 607 transitions. [2021-10-28 23:17:56,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-28 23:17:56,731 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:17:56,732 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:17:56,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 23:17:56,733 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-10-28 23:17:56,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:17:56,734 INFO L85 PathProgramCache]: Analyzing trace with hash 153208358, now seen corresponding path program 1 times [2021-10-28 23:17:56,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:17:56,734 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623167034] [2021-10-28 23:17:56,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:17:56,735 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:17:56,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:17:56,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:17:56,866 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:17:56,866 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623167034] [2021-10-28 23:17:56,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623167034] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:17:56,867 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:17:56,867 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:17:56,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251129599] [2021-10-28 23:17:56,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:17:56,869 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:17:56,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:17:56,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:17:56,870 INFO L87 Difference]: Start difference. First operand 426 states and 607 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:17:57,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:17:57,195 INFO L93 Difference]: Finished difference Result 1024 states and 1473 transitions. [2021-10-28 23:17:57,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 23:17:57,196 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-10-28 23:17:57,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:17:57,204 INFO L225 Difference]: With dead ends: 1024 [2021-10-28 23:17:57,204 INFO L226 Difference]: Without dead ends: 713 [2021-10-28 23:17:57,206 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:17:57,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2021-10-28 23:17:57,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 434. [2021-10-28 23:17:57,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 415 states have (on average 1.4819277108433735) internal successors, (615), 433 states have internal predecessors, (615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:17:57,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 615 transitions. [2021-10-28 23:17:57,246 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 615 transitions. Word has length 55 [2021-10-28 23:17:57,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:17:57,247 INFO L470 AbstractCegarLoop]: Abstraction has 434 states and 615 transitions. [2021-10-28 23:17:57,247 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:17:57,247 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 615 transitions. [2021-10-28 23:17:57,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-28 23:17:57,250 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:17:57,251 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:17:57,251 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 23:17:57,251 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-10-28 23:17:57,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:17:57,252 INFO L85 PathProgramCache]: Analyzing trace with hash -748848364, now seen corresponding path program 1 times [2021-10-28 23:17:57,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:17:57,253 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583332127] [2021-10-28 23:17:57,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:17:57,254 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:17:57,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:17:57,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:17:57,375 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:17:57,375 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583332127] [2021-10-28 23:17:57,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583332127] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:17:57,376 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:17:57,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:17:57,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320242458] [2021-10-28 23:17:57,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:17:57,377 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:17:57,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:17:57,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:17:57,378 INFO L87 Difference]: Start difference. First operand 434 states and 615 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:17:57,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:17:57,655 INFO L93 Difference]: Finished difference Result 1024 states and 1465 transitions. [2021-10-28 23:17:57,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:17:57,656 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-10-28 23:17:57,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:17:57,686 INFO L225 Difference]: With dead ends: 1024 [2021-10-28 23:17:57,686 INFO L226 Difference]: Without dead ends: 713 [2021-10-28 23:17:57,687 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:17:57,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2021-10-28 23:17:57,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 434. [2021-10-28 23:17:57,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 415 states have (on average 1.472289156626506) internal successors, (611), 433 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:17:57,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 611 transitions. [2021-10-28 23:17:57,720 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 611 transitions. Word has length 57 [2021-10-28 23:17:57,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:17:57,720 INFO L470 AbstractCegarLoop]: Abstraction has 434 states and 611 transitions. [2021-10-28 23:17:57,721 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:17:57,721 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 611 transitions. [2021-10-28 23:17:57,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-28 23:17:57,722 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:17:57,723 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:17:57,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 23:17:57,724 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-10-28 23:17:57,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:17:57,724 INFO L85 PathProgramCache]: Analyzing trace with hash 2035065116, now seen corresponding path program 1 times [2021-10-28 23:17:57,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:17:57,725 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737975231] [2021-10-28 23:17:57,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:17:57,726 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:17:57,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:17:57,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:17:57,824 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:17:57,825 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737975231] [2021-10-28 23:17:57,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737975231] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:17:57,826 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:17:57,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:17:57,826 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598070079] [2021-10-28 23:17:57,827 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:17:57,831 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:17:57,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:17:57,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:17:57,832 INFO L87 Difference]: Start difference. First operand 434 states and 611 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:17:57,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:17:57,890 INFO L93 Difference]: Finished difference Result 872 states and 1252 transitions. [2021-10-28 23:17:57,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:17:57,892 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-10-28 23:17:57,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:17:57,898 INFO L225 Difference]: With dead ends: 872 [2021-10-28 23:17:57,899 INFO L226 Difference]: Without dead ends: 561 [2021-10-28 23:17:57,905 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:17:57,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2021-10-28 23:17:57,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 429. [2021-10-28 23:17:57,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 411 states have (on average 1.467153284671533) internal successors, (603), 428 states have internal predecessors, (603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:17:57,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 603 transitions. [2021-10-28 23:17:57,946 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 603 transitions. Word has length 58 [2021-10-28 23:17:57,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:17:57,947 INFO L470 AbstractCegarLoop]: Abstraction has 429 states and 603 transitions. [2021-10-28 23:17:57,947 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:17:57,947 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 603 transitions. [2021-10-28 23:17:57,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-10-28 23:17:57,948 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:17:57,949 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:17:57,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 23:17:57,949 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-10-28 23:17:57,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:17:57,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1833641356, now seen corresponding path program 1 times [2021-10-28 23:17:57,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:17:57,953 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142906252] [2021-10-28 23:17:57,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:17:57,954 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:17:58,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:17:58,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:17:58,060 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:17:58,060 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142906252] [2021-10-28 23:17:58,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142906252] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:17:58,061 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:17:58,061 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:17:58,061 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744923828] [2021-10-28 23:17:58,062 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:17:58,062 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:17:58,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:17:58,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:17:58,064 INFO L87 Difference]: Start difference. First operand 429 states and 603 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:17:58,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:17:58,165 INFO L93 Difference]: Finished difference Result 871 states and 1251 transitions. [2021-10-28 23:17:58,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:17:58,166 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2021-10-28 23:17:58,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:17:58,171 INFO L225 Difference]: With dead ends: 871 [2021-10-28 23:17:58,171 INFO L226 Difference]: Without dead ends: 565 [2021-10-28 23:17:58,172 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:17:58,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2021-10-28 23:17:58,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 409. [2021-10-28 23:17:58,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 395 states have (on average 1.4455696202531645) internal successors, (571), 408 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:17:58,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 571 transitions. [2021-10-28 23:17:58,210 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 571 transitions. Word has length 62 [2021-10-28 23:17:58,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:17:58,211 INFO L470 AbstractCegarLoop]: Abstraction has 409 states and 571 transitions. [2021-10-28 23:17:58,211 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:17:58,211 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 571 transitions. [2021-10-28 23:17:58,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-10-28 23:17:58,213 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:17:58,213 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:17:58,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 23:17:58,214 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-10-28 23:17:58,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:17:58,215 INFO L85 PathProgramCache]: Analyzing trace with hash -532758708, now seen corresponding path program 1 times [2021-10-28 23:17:58,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:17:58,218 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054203074] [2021-10-28 23:17:58,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:17:58,218 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:17:58,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:17:58,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:17:58,323 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:17:58,323 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054203074] [2021-10-28 23:17:58,324 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054203074] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:17:58,324 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:17:58,324 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:17:58,324 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615464765] [2021-10-28 23:17:58,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:17:58,326 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:17:58,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:17:58,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:17:58,329 INFO L87 Difference]: Start difference. First operand 409 states and 571 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:17:58,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:17:58,406 INFO L93 Difference]: Finished difference Result 839 states and 1195 transitions. [2021-10-28 23:17:58,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:17:58,407 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2021-10-28 23:17:58,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:17:58,412 INFO L225 Difference]: With dead ends: 839 [2021-10-28 23:17:58,412 INFO L226 Difference]: Without dead ends: 553 [2021-10-28 23:17:58,413 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:17:58,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2021-10-28 23:17:58,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 397. [2021-10-28 23:17:58,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 385 states have (on average 1.4363636363636363) internal successors, (553), 396 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:17:58,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 553 transitions. [2021-10-28 23:17:58,470 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 553 transitions. Word has length 66 [2021-10-28 23:17:58,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:17:58,470 INFO L470 AbstractCegarLoop]: Abstraction has 397 states and 553 transitions. [2021-10-28 23:17:58,471 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:17:58,471 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 553 transitions. [2021-10-28 23:17:58,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-10-28 23:17:58,472 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:17:58,472 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:17:58,473 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-28 23:17:58,473 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-10-28 23:17:58,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:17:58,474 INFO L85 PathProgramCache]: Analyzing trace with hash 949999250, now seen corresponding path program 1 times [2021-10-28 23:17:58,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:17:58,474 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580552799] [2021-10-28 23:17:58,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:17:58,475 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:17:58,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:17:58,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:17:58,591 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:17:58,591 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580552799] [2021-10-28 23:17:58,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580552799] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:17:58,598 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:17:58,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:17:58,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130582508] [2021-10-28 23:17:58,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:17:58,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:17:58,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:17:58,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:17:58,600 INFO L87 Difference]: Start difference. First operand 397 states and 553 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:17:58,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:17:58,705 INFO L93 Difference]: Finished difference Result 835 states and 1187 transitions. [2021-10-28 23:17:58,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:17:58,705 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2021-10-28 23:17:58,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:17:58,715 INFO L225 Difference]: With dead ends: 835 [2021-10-28 23:17:58,715 INFO L226 Difference]: Without dead ends: 561 [2021-10-28 23:17:58,716 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:17:58,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2021-10-28 23:17:58,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 377. [2021-10-28 23:17:58,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 369 states have (on average 1.4119241192411924) internal successors, (521), 376 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:17:58,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 521 transitions. [2021-10-28 23:17:58,753 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 521 transitions. Word has length 67 [2021-10-28 23:17:58,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:17:58,755 INFO L470 AbstractCegarLoop]: Abstraction has 377 states and 521 transitions. [2021-10-28 23:17:58,755 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:17:58,756 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 521 transitions. [2021-10-28 23:17:58,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-10-28 23:17:58,764 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:17:58,764 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:17:58,765 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-28 23:17:58,765 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-10-28 23:17:58,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:17:58,766 INFO L85 PathProgramCache]: Analyzing trace with hash -448644128, now seen corresponding path program 1 times [2021-10-28 23:17:58,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:17:58,766 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940202610] [2021-10-28 23:17:58,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:17:58,767 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:17:58,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:17:58,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:17:58,987 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:17:58,988 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940202610] [2021-10-28 23:17:58,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940202610] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:17:58,988 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:17:58,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 23:17:58,989 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700620221] [2021-10-28 23:17:58,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:17:58,990 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:17:58,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:17:58,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:17:58,991 INFO L87 Difference]: Start difference. First operand 377 states and 521 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:17:59,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:17:59,261 INFO L93 Difference]: Finished difference Result 1127 states and 1582 transitions. [2021-10-28 23:17:59,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-28 23:17:59,262 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2021-10-28 23:17:59,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:17:59,269 INFO L225 Difference]: With dead ends: 1127 [2021-10-28 23:17:59,269 INFO L226 Difference]: Without dead ends: 873 [2021-10-28 23:17:59,270 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-10-28 23:17:59,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 873 states. [2021-10-28 23:17:59,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 873 to 427. [2021-10-28 23:17:59,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 419 states have (on average 1.405727923627685) internal successors, (589), 426 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:17:59,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 589 transitions. [2021-10-28 23:17:59,339 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 589 transitions. Word has length 72 [2021-10-28 23:17:59,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:17:59,339 INFO L470 AbstractCegarLoop]: Abstraction has 427 states and 589 transitions. [2021-10-28 23:17:59,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:17:59,340 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 589 transitions. [2021-10-28 23:17:59,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-10-28 23:17:59,341 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:17:59,342 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:17:59,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-28 23:17:59,342 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-10-28 23:17:59,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:17:59,343 INFO L85 PathProgramCache]: Analyzing trace with hash 534764451, now seen corresponding path program 1 times [2021-10-28 23:17:59,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:17:59,344 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948669998] [2021-10-28 23:17:59,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:17:59,344 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:17:59,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:17:59,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:17:59,431 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:17:59,431 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948669998] [2021-10-28 23:17:59,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948669998] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:17:59,432 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:17:59,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:17:59,432 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245994290] [2021-10-28 23:17:59,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:17:59,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:17:59,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:17:59,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:17:59,434 INFO L87 Difference]: Start difference. First operand 427 states and 589 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:17:59,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:17:59,515 INFO L93 Difference]: Finished difference Result 760 states and 1066 transitions. [2021-10-28 23:17:59,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:17:59,516 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2021-10-28 23:17:59,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:17:59,520 INFO L225 Difference]: With dead ends: 760 [2021-10-28 23:17:59,520 INFO L226 Difference]: Without dead ends: 506 [2021-10-28 23:17:59,521 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:17:59,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2021-10-28 23:17:59,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 423. [2021-10-28 23:17:59,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 416 states have (on average 1.3990384615384615) internal successors, (582), 422 states have internal predecessors, (582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:17:59,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 582 transitions. [2021-10-28 23:17:59,563 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 582 transitions. Word has length 73 [2021-10-28 23:17:59,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:17:59,564 INFO L470 AbstractCegarLoop]: Abstraction has 423 states and 582 transitions. [2021-10-28 23:17:59,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:17:59,564 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 582 transitions. [2021-10-28 23:17:59,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-10-28 23:17:59,565 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:17:59,566 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:17:59,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-28 23:17:59,566 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-10-28 23:17:59,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:17:59,567 INFO L85 PathProgramCache]: Analyzing trace with hash -344815767, now seen corresponding path program 1 times [2021-10-28 23:17:59,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:17:59,567 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45938738] [2021-10-28 23:17:59,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:17:59,568 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:17:59,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:17:59,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:17:59,639 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:17:59,640 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45938738] [2021-10-28 23:17:59,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45938738] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:17:59,640 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:17:59,640 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:17:59,641 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115024356] [2021-10-28 23:17:59,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:17:59,641 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:17:59,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:17:59,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:17:59,642 INFO L87 Difference]: Start difference. First operand 423 states and 582 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:17:59,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:17:59,744 INFO L93 Difference]: Finished difference Result 859 states and 1203 transitions. [2021-10-28 23:17:59,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:17:59,744 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2021-10-28 23:17:59,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:17:59,749 INFO L225 Difference]: With dead ends: 859 [2021-10-28 23:17:59,749 INFO L226 Difference]: Without dead ends: 592 [2021-10-28 23:17:59,750 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:17:59,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2021-10-28 23:17:59,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 407. [2021-10-28 23:17:59,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 402 states have (on average 1.3830845771144278) internal successors, (556), 406 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:17:59,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 556 transitions. [2021-10-28 23:17:59,799 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 556 transitions. Word has length 73 [2021-10-28 23:17:59,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:17:59,799 INFO L470 AbstractCegarLoop]: Abstraction has 407 states and 556 transitions. [2021-10-28 23:17:59,800 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:17:59,800 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 556 transitions. [2021-10-28 23:17:59,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-10-28 23:17:59,801 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:17:59,801 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:17:59,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-28 23:17:59,802 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-10-28 23:17:59,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:17:59,802 INFO L85 PathProgramCache]: Analyzing trace with hash 317146558, now seen corresponding path program 1 times [2021-10-28 23:17:59,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:17:59,803 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334077195] [2021-10-28 23:17:59,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:17:59,803 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:17:59,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:17:59,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:17:59,937 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:17:59,938 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334077195] [2021-10-28 23:17:59,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334077195] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:17:59,938 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:17:59,938 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-28 23:17:59,938 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139625456] [2021-10-28 23:17:59,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 23:17:59,939 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:17:59,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 23:17:59,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:17:59,940 INFO L87 Difference]: Start difference. First operand 407 states and 556 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:18:00,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:18:00,468 INFO L93 Difference]: Finished difference Result 1397 states and 1937 transitions. [2021-10-28 23:18:00,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 23:18:00,469 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2021-10-28 23:18:00,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:18:00,477 INFO L225 Difference]: With dead ends: 1397 [2021-10-28 23:18:00,477 INFO L226 Difference]: Without dead ends: 1141 [2021-10-28 23:18:00,478 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-10-28 23:18:00,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2021-10-28 23:18:00,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 435. [2021-10-28 23:18:00,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 430 states have (on average 1.3674418604651162) internal successors, (588), 434 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:18:00,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 588 transitions. [2021-10-28 23:18:00,538 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 588 transitions. Word has length 76 [2021-10-28 23:18:00,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:18:00,539 INFO L470 AbstractCegarLoop]: Abstraction has 435 states and 588 transitions. [2021-10-28 23:18:00,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:18:00,539 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 588 transitions. [2021-10-28 23:18:00,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-10-28 23:18:00,541 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:18:00,541 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:18:00,541 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-28 23:18:00,542 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-10-28 23:18:00,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:18:00,542 INFO L85 PathProgramCache]: Analyzing trace with hash 917353494, now seen corresponding path program 1 times [2021-10-28 23:18:00,542 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:18:00,543 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514343113] [2021-10-28 23:18:00,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:18:00,543 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:18:00,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:18:00,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:18:00,628 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:18:00,628 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514343113] [2021-10-28 23:18:00,628 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514343113] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:18:00,628 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:18:00,628 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:18:00,629 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025364593] [2021-10-28 23:18:00,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:18:00,630 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:18:00,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:18:00,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:18:00,631 INFO L87 Difference]: Start difference. First operand 435 states and 588 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:18:00,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:18:00,820 INFO L93 Difference]: Finished difference Result 1111 states and 1515 transitions. [2021-10-28 23:18:00,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:18:00,821 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2021-10-28 23:18:00,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:18:00,828 INFO L225 Difference]: With dead ends: 1111 [2021-10-28 23:18:00,828 INFO L226 Difference]: Without dead ends: 849 [2021-10-28 23:18:00,830 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:18:00,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states. [2021-10-28 23:18:00,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 656. [2021-10-28 23:18:00,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 656 states, 651 states have (on average 1.348694316436252) internal successors, (878), 655 states have internal predecessors, (878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:18:00,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 656 states and 878 transitions. [2021-10-28 23:18:00,925 INFO L78 Accepts]: Start accepts. Automaton has 656 states and 878 transitions. Word has length 76 [2021-10-28 23:18:00,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:18:00,926 INFO L470 AbstractCegarLoop]: Abstraction has 656 states and 878 transitions. [2021-10-28 23:18:00,926 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:18:00,926 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 878 transitions. [2021-10-28 23:18:00,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-10-28 23:18:00,928 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:18:00,928 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:18:00,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-28 23:18:00,929 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-10-28 23:18:00,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:18:00,930 INFO L85 PathProgramCache]: Analyzing trace with hash -480894404, now seen corresponding path program 1 times [2021-10-28 23:18:00,930 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:18:00,930 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290447412] [2021-10-28 23:18:00,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:18:00,931 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:18:00,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:18:01,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:18:01,032 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:18:01,032 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290447412] [2021-10-28 23:18:01,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290447412] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:18:01,033 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:18:01,033 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 23:18:01,033 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359313637] [2021-10-28 23:18:01,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:18:01,034 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:18:01,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:18:01,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:18:01,035 INFO L87 Difference]: Start difference. First operand 656 states and 878 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:18:01,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:18:01,271 INFO L93 Difference]: Finished difference Result 1019 states and 1388 transitions. [2021-10-28 23:18:01,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 23:18:01,272 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2021-10-28 23:18:01,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:18:01,280 INFO L225 Difference]: With dead ends: 1019 [2021-10-28 23:18:01,280 INFO L226 Difference]: Without dead ends: 1017 [2021-10-28 23:18:01,281 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-10-28 23:18:01,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2021-10-28 23:18:01,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 658. [2021-10-28 23:18:01,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 658 states, 653 states have (on average 1.3476263399693722) internal successors, (880), 657 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:18:01,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 880 transitions. [2021-10-28 23:18:01,366 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 880 transitions. Word has length 77 [2021-10-28 23:18:01,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:18:01,367 INFO L470 AbstractCegarLoop]: Abstraction has 658 states and 880 transitions. [2021-10-28 23:18:01,367 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:18:01,367 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 880 transitions. [2021-10-28 23:18:01,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-10-28 23:18:01,369 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:18:01,369 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:18:01,369 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-28 23:18:01,370 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-10-28 23:18:01,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:18:01,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1699767669, now seen corresponding path program 1 times [2021-10-28 23:18:01,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:18:01,371 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512399328] [2021-10-28 23:18:01,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:18:01,372 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:18:01,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:18:01,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:18:01,505 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:18:01,505 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512399328] [2021-10-28 23:18:01,505 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512399328] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:18:01,505 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:18:01,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 23:18:01,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761064435] [2021-10-28 23:18:01,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:18:01,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:18:01,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:18:01,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:18:01,508 INFO L87 Difference]: Start difference. First operand 658 states and 880 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:18:01,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:18:01,949 INFO L93 Difference]: Finished difference Result 1981 states and 2732 transitions. [2021-10-28 23:18:01,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-28 23:18:01,950 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2021-10-28 23:18:01,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:18:01,961 INFO L225 Difference]: With dead ends: 1981 [2021-10-28 23:18:01,961 INFO L226 Difference]: Without dead ends: 1602 [2021-10-28 23:18:01,963 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-10-28 23:18:01,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1602 states. [2021-10-28 23:18:02,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1602 to 646. [2021-10-28 23:18:02,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 641 states have (on average 1.3510140405616224) internal successors, (866), 645 states have internal predecessors, (866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:18:02,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 866 transitions. [2021-10-28 23:18:02,068 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 866 transitions. Word has length 77 [2021-10-28 23:18:02,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:18:02,069 INFO L470 AbstractCegarLoop]: Abstraction has 646 states and 866 transitions. [2021-10-28 23:18:02,069 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:18:02,069 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 866 transitions. [2021-10-28 23:18:02,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-10-28 23:18:02,071 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:18:02,071 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:18:02,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-28 23:18:02,072 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-10-28 23:18:02,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:18:02,073 INFO L85 PathProgramCache]: Analyzing trace with hash 239208754, now seen corresponding path program 1 times [2021-10-28 23:18:02,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:18:02,073 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282473824] [2021-10-28 23:18:02,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:18:02,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:18:02,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:18:02,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:18:02,229 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:18:02,229 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282473824] [2021-10-28 23:18:02,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282473824] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:18:02,229 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:18:02,230 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 23:18:02,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741490607] [2021-10-28 23:18:02,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:18:02,231 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:18:02,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:18:02,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:18:02,232 INFO L87 Difference]: Start difference. First operand 646 states and 866 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:18:02,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:18:02,555 INFO L93 Difference]: Finished difference Result 1537 states and 2160 transitions. [2021-10-28 23:18:02,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 23:18:02,556 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2021-10-28 23:18:02,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:18:02,564 INFO L225 Difference]: With dead ends: 1537 [2021-10-28 23:18:02,564 INFO L226 Difference]: Without dead ends: 1158 [2021-10-28 23:18:02,566 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-10-28 23:18:02,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2021-10-28 23:18:02,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 652. [2021-10-28 23:18:02,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 652 states, 647 states have (on average 1.3477588871715611) internal successors, (872), 651 states have internal predecessors, (872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:18:02,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 872 transitions. [2021-10-28 23:18:02,666 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 872 transitions. Word has length 78 [2021-10-28 23:18:02,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:18:02,667 INFO L470 AbstractCegarLoop]: Abstraction has 652 states and 872 transitions. [2021-10-28 23:18:02,667 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:18:02,668 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 872 transitions. [2021-10-28 23:18:02,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-10-28 23:18:02,669 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:18:02,669 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:18:02,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-28 23:18:02,670 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-10-28 23:18:02,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:18:02,671 INFO L85 PathProgramCache]: Analyzing trace with hash 341178161, now seen corresponding path program 1 times [2021-10-28 23:18:02,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:18:02,671 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001147062] [2021-10-28 23:18:02,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:18:02,672 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:18:02,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:18:02,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:18:02,742 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:18:02,742 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001147062] [2021-10-28 23:18:02,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001147062] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:18:02,742 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:18:02,743 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:18:02,743 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090753690] [2021-10-28 23:18:02,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:18:02,744 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:18:02,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:18:02,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:18:02,745 INFO L87 Difference]: Start difference. First operand 652 states and 872 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:18:03,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:18:03,018 INFO L93 Difference]: Finished difference Result 1507 states and 2024 transitions. [2021-10-28 23:18:03,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:18:03,018 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2021-10-28 23:18:03,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:18:03,027 INFO L225 Difference]: With dead ends: 1507 [2021-10-28 23:18:03,027 INFO L226 Difference]: Without dead ends: 1104 [2021-10-28 23:18:03,028 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:18:03,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1104 states. [2021-10-28 23:18:03,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1104 to 850. [2021-10-28 23:18:03,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 850 states, 845 states have (on average 1.3396449704142013) internal successors, (1132), 849 states have internal predecessors, (1132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:18:03,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 1132 transitions. [2021-10-28 23:18:03,180 INFO L78 Accepts]: Start accepts. Automaton has 850 states and 1132 transitions. Word has length 78 [2021-10-28 23:18:03,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:18:03,181 INFO L470 AbstractCegarLoop]: Abstraction has 850 states and 1132 transitions. [2021-10-28 23:18:03,181 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:18:03,182 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1132 transitions. [2021-10-28 23:18:03,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-10-28 23:18:03,184 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:18:03,184 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:18:03,184 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-10-28 23:18:03,185 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-10-28 23:18:03,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:18:03,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1360037685, now seen corresponding path program 1 times [2021-10-28 23:18:03,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:18:03,187 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719554304] [2021-10-28 23:18:03,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:18:03,187 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:18:03,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:18:03,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:18:03,337 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:18:03,337 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719554304] [2021-10-28 23:18:03,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719554304] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:18:03,338 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:18:03,338 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 23:18:03,338 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730057559] [2021-10-28 23:18:03,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:18:03,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:18:03,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:18:03,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:18:03,340 INFO L87 Difference]: Start difference. First operand 850 states and 1132 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:18:04,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:18:04,083 INFO L93 Difference]: Finished difference Result 3240 states and 4364 transitions. [2021-10-28 23:18:04,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 23:18:04,089 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2021-10-28 23:18:04,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:18:04,108 INFO L225 Difference]: With dead ends: 3240 [2021-10-28 23:18:04,108 INFO L226 Difference]: Without dead ends: 2706 [2021-10-28 23:18:04,112 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-10-28 23:18:04,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2706 states. [2021-10-28 23:18:04,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2706 to 900. [2021-10-28 23:18:04,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 895 states have (on average 1.336312849162011) internal successors, (1196), 899 states have internal predecessors, (1196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:18:04,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1196 transitions. [2021-10-28 23:18:04,276 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1196 transitions. Word has length 78 [2021-10-28 23:18:04,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:18:04,276 INFO L470 AbstractCegarLoop]: Abstraction has 900 states and 1196 transitions. [2021-10-28 23:18:04,277 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:18:04,277 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1196 transitions. [2021-10-28 23:18:04,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-10-28 23:18:04,279 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:18:04,279 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:18:04,279 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-10-28 23:18:04,280 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-10-28 23:18:04,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:18:04,280 INFO L85 PathProgramCache]: Analyzing trace with hash -504696615, now seen corresponding path program 1 times [2021-10-28 23:18:04,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:18:04,281 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397344329] [2021-10-28 23:18:04,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:18:04,281 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:18:04,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:18:04,341 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:18:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:18:04,502 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:18:04,502 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 23:18:04,504 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:18:04,506 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:18:04,506 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:18:04,507 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:18:04,507 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:18:04,507 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:18:04,508 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:18:04,508 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:18:04,508 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:18:04,509 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:18:04,509 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:18:04,509 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:18:04,509 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:18:04,510 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:18:04,510 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:18:04,510 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:18:04,511 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:18:04,511 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:18:04,511 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:18:04,511 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:18:04,512 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:18:04,512 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:18:04,512 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:18:04,513 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-10-28 23:18:04,520 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:18:04,525 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:18:04,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:18:04 BoogieIcfgContainer [2021-10-28 23:18:04,773 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:18:04,774 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:18:04,774 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:18:04,774 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:18:04,775 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:17:54" (3/4) ... [2021-10-28 23:18:04,779 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-28 23:18:04,980 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b4a58c-03a2-4fa9-a92d-fd787fb38eae/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:18:04,981 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:18:04,983 INFO L168 Benchmark]: Toolchain (without parser) took 13066.78 ms. Allocated memory was 104.9 MB in the beginning and 257.9 MB in the end (delta: 153.1 MB). Free memory was 70.3 MB in the beginning and 203.4 MB in the end (delta: -133.1 MB). Peak memory consumption was 145.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:18:04,983 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 104.9 MB. Free memory is still 61.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:18:04,984 INFO L168 Benchmark]: CACSL2BoogieTranslator took 582.84 ms. Allocated memory is still 104.9 MB. Free memory was 70.1 MB in the beginning and 73.1 MB in the end (delta: -3.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:18:04,984 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.10 ms. Allocated memory is still 104.9 MB. Free memory was 73.1 MB in the beginning and 68.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:18:04,985 INFO L168 Benchmark]: Boogie Preprocessor took 130.69 ms. Allocated memory is still 104.9 MB. Free memory was 68.3 MB in the beginning and 64.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:18:04,985 INFO L168 Benchmark]: RCFGBuilder took 1465.90 ms. Allocated memory was 104.9 MB in the beginning and 130.0 MB in the end (delta: 25.2 MB). Free memory was 64.7 MB in the beginning and 83.9 MB in the end (delta: -19.2 MB). Peak memory consumption was 31.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:18:04,986 INFO L168 Benchmark]: TraceAbstraction took 10551.00 ms. Allocated memory was 130.0 MB in the beginning and 257.9 MB in the end (delta: 127.9 MB). Free memory was 83.7 MB in the beginning and 80.4 MB in the end (delta: 3.3 MB). Peak memory consumption was 132.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:18:04,986 INFO L168 Benchmark]: Witness Printer took 206.66 ms. Allocated memory is still 257.9 MB. Free memory was 80.4 MB in the beginning and 203.4 MB in the end (delta: -123.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:18:04,989 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 104.9 MB. Free memory is still 61.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 582.84 ms. Allocated memory is still 104.9 MB. Free memory was 70.1 MB in the beginning and 73.1 MB in the end (delta: -3.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 121.10 ms. Allocated memory is still 104.9 MB. Free memory was 73.1 MB in the beginning and 68.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 130.69 ms. Allocated memory is still 104.9 MB. Free memory was 68.3 MB in the beginning and 64.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1465.90 ms. Allocated memory was 104.9 MB in the beginning and 130.0 MB in the end (delta: 25.2 MB). Free memory was 64.7 MB in the beginning and 83.9 MB in the end (delta: -19.2 MB). Peak memory consumption was 31.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 10551.00 ms. Allocated memory was 130.0 MB in the beginning and 257.9 MB in the end (delta: 127.9 MB). Free memory was 83.7 MB in the beginning and 80.4 MB in the end (delta: 3.3 MB). Peak memory consumption was 132.2 MB. Max. memory is 16.1 GB. * Witness Printer took 206.66 ms. Allocated memory is still 257.9 MB. Free memory was 80.4 MB in the beginning and 203.4 MB in the end (delta: -123.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 618]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L24] msg_t nomsg = (msg_t )-1; [L25] port_t cs1 ; [L26] int8_t cs1_old ; [L27] int8_t cs1_new ; [L28] port_t cs2 ; [L29] int8_t cs2_old ; [L30] int8_t cs2_new ; [L31] port_t s1s2 ; [L32] int8_t s1s2_old ; [L33] int8_t s1s2_new ; [L34] port_t s1s1 ; [L35] int8_t s1s1_old ; [L36] int8_t s1s1_new ; [L37] port_t s2s1 ; [L38] int8_t s2s1_old ; [L39] int8_t s2s1_new ; [L40] port_t s2s2 ; [L41] int8_t s2s2_old ; [L42] int8_t s2s2_new ; [L43] port_t s1p ; [L44] int8_t s1p_old ; [L45] int8_t s1p_new ; [L46] port_t s2p ; [L47] int8_t s2p_old ; [L48] int8_t s2p_new ; [L51] _Bool side1Failed ; [L52] _Bool side2Failed ; [L53] msg_t side1_written ; [L54] msg_t side2_written ; [L60] static _Bool side1Failed_History_0 ; [L61] static _Bool side1Failed_History_1 ; [L62] static _Bool side1Failed_History_2 ; [L63] static _Bool side2Failed_History_0 ; [L64] static _Bool side2Failed_History_1 ; [L65] static _Bool side2Failed_History_2 ; [L66] static int8_t active_side_History_0 ; [L67] static int8_t active_side_History_1 ; [L68] static int8_t active_side_History_2 ; [L69] static msg_t manual_selection_History_0 ; [L70] static msg_t manual_selection_History_1 ; [L71] static msg_t manual_selection_History_2 ; VAL [active_side_History_0=0, active_side_History_1=0, active_side_History_2=0, cs1=0, cs1_new=0, cs1_old=0, cs2=0, cs2_new=0, cs2_old=0, manual_selection_History_0=0, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=0, s1p_old=0, s1s1=0, s1s1_new=0, s1s1_old=0, s1s2=0, s1s2_new=0, s1s2_old=0, s2p=0, s2p_new=0, s2p_old=0, s2s1=0, s2s1_new=0, s2s1_old=0, s2s2=0, s2s2_new=0, s2s2_old=0, side1_written=0, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L542] int c1 ; [L543] int i2 ; [L546] c1 = 0 [L547] side1Failed = __VERIFIER_nondet_bool() [L548] side2Failed = __VERIFIER_nondet_bool() [L549] side1_written = __VERIFIER_nondet_char() [L550] side2_written = __VERIFIER_nondet_char() [L551] side1Failed_History_0 = __VERIFIER_nondet_bool() [L552] side1Failed_History_1 = __VERIFIER_nondet_bool() [L553] side1Failed_History_2 = __VERIFIER_nondet_bool() [L554] side2Failed_History_0 = __VERIFIER_nondet_bool() [L555] side2Failed_History_1 = __VERIFIER_nondet_bool() [L556] side2Failed_History_2 = __VERIFIER_nondet_bool() [L557] active_side_History_0 = __VERIFIER_nondet_char() [L558] active_side_History_1 = __VERIFIER_nondet_char() [L559] active_side_History_2 = __VERIFIER_nondet_char() [L560] manual_selection_History_0 = __VERIFIER_nondet_char() [L561] manual_selection_History_1 = __VERIFIER_nondet_char() [L562] manual_selection_History_2 = __VERIFIER_nondet_char() [L197] COND FALSE !((int )side1Failed_History_0 != 0) VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=0, cs1_old=0, cs2=0, cs2_new=0, cs2_old=0, manual_selection_History_0=0, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=0, s1p_old=0, s1s1=0, s1s1_new=0, s1s1_old=0, s1s2=0, s1s2_new=0, s1s2_old=0, s2p=0, s2p_new=0, s2p_old=0, s2s1=0, s2s1_new=0, s2s1_old=0, s2s2=0, s2s2_new=0, s2s2_old=0, side1_written=0, side1Failed=54, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=53, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L200] COND FALSE !((int )side2Failed_History_0 != 0) VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=0, cs1_old=0, cs2=0, cs2_new=0, cs2_old=0, manual_selection_History_0=0, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=0, s1p_old=0, s1s1=0, s1s1_new=0, s1s1_old=0, s1s2=0, s1s2_new=0, s1s2_old=0, s2p=0, s2p_new=0, s2p_old=0, s2s1=0, s2s1_new=0, s2s1_old=0, s2s2=0, s2s2_new=0, s2s2_old=0, side1_written=0, side1Failed=54, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=53, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L203] COND FALSE !((int )active_side_History_0 != -2) VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=0, cs1_old=0, cs2=0, cs2_new=0, cs2_old=0, manual_selection_History_0=0, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=0, s1p_old=0, s1s1=0, s1s1_new=0, s1s1_old=0, s1s2=0, s1s2_new=0, s1s2_old=0, s2p=0, s2p_new=0, s2p_old=0, s2s1=0, s2s1_new=0, s2s1_old=0, s2s2=0, s2s2_new=0, s2s2_old=0, side1_written=0, side1Failed=54, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=53, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L206] COND FALSE !((int )manual_selection_History_0 != 0) VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=0, cs1_old=0, cs2=0, cs2_new=0, cs2_old=0, manual_selection_History_0=0, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=0, s1p_old=0, s1s1=0, s1s1_new=0, s1s1_old=0, s1s2=0, s1s2_new=0, s1s2_old=0, s2p=0, s2p_new=0, s2p_old=0, s2s1=0, s2s1_new=0, s2s1_old=0, s2s2=0, s2s2_new=0, s2s2_old=0, side1_written=0, side1Failed=54, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=53, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L209] COND FALSE !((int )side1Failed_History_1 != 0) VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=0, cs1_old=0, cs2=0, cs2_new=0, cs2_old=0, manual_selection_History_0=0, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=0, s1p_old=0, s1s1=0, s1s1_new=0, s1s1_old=0, s1s2=0, s1s2_new=0, s1s2_old=0, s2p=0, s2p_new=0, s2p_old=0, s2s1=0, s2s1_new=0, s2s1_old=0, s2s2=0, s2s2_new=0, s2s2_old=0, side1_written=0, side1Failed=54, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=53, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L212] COND FALSE !((int )side2Failed_History_1 != 0) VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=0, cs1_old=0, cs2=0, cs2_new=0, cs2_old=0, manual_selection_History_0=0, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=0, s1p_old=0, s1s1=0, s1s1_new=0, s1s1_old=0, s1s2=0, s1s2_new=0, s1s2_old=0, s2p=0, s2p_new=0, s2p_old=0, s2s1=0, s2s1_new=0, s2s1_old=0, s2s2=0, s2s2_new=0, s2s2_old=0, side1_written=0, side1Failed=54, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=53, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L215] COND FALSE !((int )active_side_History_1 != -2) VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=0, cs1_old=0, cs2=0, cs2_new=0, cs2_old=0, manual_selection_History_0=0, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=0, s1p_old=0, s1s1=0, s1s1_new=0, s1s1_old=0, s1s2=0, s1s2_new=0, s1s2_old=0, s2p=0, s2p_new=0, s2p_old=0, s2s1=0, s2s1_new=0, s2s1_old=0, s2s2=0, s2s2_new=0, s2s2_old=0, side1_written=0, side1Failed=54, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=53, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L218] COND FALSE !((int )manual_selection_History_1 != 0) VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=0, cs1_old=0, cs2=0, cs2_new=0, cs2_old=0, manual_selection_History_0=0, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=0, s1p_old=0, s1s1=0, s1s1_new=0, s1s1_old=0, s1s2=0, s1s2_new=0, s1s2_old=0, s2p=0, s2p_new=0, s2p_old=0, s2s1=0, s2s1_new=0, s2s1_old=0, s2s2=0, s2s2_new=0, s2s2_old=0, side1_written=0, side1Failed=54, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=53, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L221] COND FALSE !((int )side1Failed_History_2 != 0) VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=0, cs1_old=0, cs2=0, cs2_new=0, cs2_old=0, manual_selection_History_0=0, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=0, s1p_old=0, s1s1=0, s1s1_new=0, s1s1_old=0, s1s2=0, s1s2_new=0, s1s2_old=0, s2p=0, s2p_new=0, s2p_old=0, s2s1=0, s2s1_new=0, s2s1_old=0, s2s2=0, s2s2_new=0, s2s2_old=0, side1_written=0, side1Failed=54, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=53, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L224] COND FALSE !((int )side2Failed_History_2 != 0) VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=0, cs1_old=0, cs2=0, cs2_new=0, cs2_old=0, manual_selection_History_0=0, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=0, s1p_old=0, s1s1=0, s1s1_new=0, s1s1_old=0, s1s2=0, s1s2_new=0, s1s2_old=0, s2p=0, s2p_new=0, s2p_old=0, s2s1=0, s2s1_new=0, s2s1_old=0, s2s2=0, s2s2_new=0, s2s2_old=0, side1_written=0, side1Failed=54, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=53, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L227] COND FALSE !((int )active_side_History_2 != -2) VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=0, cs1_old=0, cs2=0, cs2_new=0, cs2_old=0, manual_selection_History_0=0, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=0, s1p_old=0, s1s1=0, s1s1_new=0, s1s1_old=0, s1s2=0, s1s2_new=0, s1s2_old=0, s2p=0, s2p_new=0, s2p_old=0, s2s1=0, s2s1_new=0, s2s1_old=0, s2s2=0, s2s2_new=0, s2s2_old=0, side1_written=0, side1Failed=54, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=53, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L230] COND FALSE !((int )manual_selection_History_2 != 0) [L233] return (1); VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=0, cs1_old=0, cs2=0, cs2_new=0, cs2_old=0, manual_selection_History_0=0, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=0, s1p_old=0, s1s1=0, s1s1_new=0, s1s1_old=0, s1s2=0, s1s2_new=0, s1s2_old=0, s2p=0, s2p_new=0, s2p_old=0, s2s1=0, s2s1_new=0, s2s1_old=0, s2s2=0, s2s2_new=0, s2s2_old=0, side1_written=0, side1Failed=54, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=53, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L563] i2 = init() [L58] COND FALSE !(!cond) VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=0, cs1_old=0, cs2=0, cs2_new=0, cs2_old=0, manual_selection_History_0=0, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=0, s1p_old=0, s1s1=0, s1s1_new=0, s1s1_old=0, s1s2=0, s1s2_new=0, s1s2_old=0, s2p=0, s2p_new=0, s2p_old=0, s2s1=0, s2s1_new=0, s2s1_old=0, s2s2=0, s2s2_new=0, s2s2_old=0, side1_written=0, side1Failed=54, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=53, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L565] cs1_old = nomsg [L566] cs1_new = nomsg [L567] cs2_old = nomsg [L568] cs2_new = nomsg [L569] s1s2_old = nomsg [L570] s1s2_new = nomsg [L571] s1s1_old = nomsg [L572] s1s1_new = nomsg [L573] s2s1_old = nomsg [L574] s2s1_new = nomsg [L575] s2s2_old = nomsg [L576] s2s2_new = nomsg [L577] s1p_old = nomsg [L578] s1p_new = nomsg [L579] s2p_old = nomsg [L580] s2p_new = nomsg [L581] i2 = 0 VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=-1, cs2=0, cs2_new=-1, cs2_old=-1, manual_selection_History_0=0, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=-1, s1s1=0, s1s1_new=-1, s1s1_old=-1, s1s2=0, s1s2_new=-1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=-1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=0, side1Failed=54, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=53, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L582] COND TRUE 1 [L251] msg_t manual_selection ; [L252] char tmp ; [L255] tmp = __VERIFIER_nondet_char() [L256] manual_selection = tmp [L167] manual_selection_History_2 = manual_selection_History_1 [L168] manual_selection_History_1 = manual_selection_History_0 [L169] manual_selection_History_0 = val VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=-1, cs2=0, cs2_new=-1, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=-1, s1s1=0, s1s1_new=-1, s1s1_old=-1, s1s2=0, s1s2_new=-1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=-1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=0, side1Failed=54, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=53, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L258] EXPR manual_selection != nomsg && cs1_new == nomsg ? manual_selection : cs1_new VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=-1, cs2=0, cs2_new=-1, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=-1, s1s1=0, s1s1_new=-1, s1s1_old=-1, s1s2=0, s1s2_new=-1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=-1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=0, side1Failed=54, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=53, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L258] cs1_new = manual_selection != nomsg && cs1_new == nomsg ? manual_selection : cs1_new [L259] EXPR manual_selection != nomsg && cs2_new == nomsg ? manual_selection : cs2_new VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-128, cs1_old=-1, cs2=0, cs2_new=-1, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=-1, s1s1=0, s1s1_new=-1, s1s1_old=-1, s1s2=0, s1s2_new=-1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=-1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=0, side1Failed=54, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=53, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L259] cs2_new = manual_selection != nomsg && cs2_new == nomsg ? manual_selection : cs2_new [L260] manual_selection = (msg_t )0 VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-128, cs1_old=-1, cs2=0, cs2_new=-128, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=-1, s1s1=0, s1s1_new=-1, s1s1_old=-1, s1s2=0, s1s2_new=-1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=-1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=0, side1Failed=54, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=53, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L266] int8_t side1 ; [L267] int8_t side2 ; [L268] msg_t manual_selection ; [L269] int8_t next_state ; [L272] side1 = nomsg [L273] side2 = nomsg [L274] manual_selection = (msg_t )0 [L275] side1Failed = __VERIFIER_nondet_bool() [L77] side1Failed_History_2 = side1Failed_History_1 [L78] side1Failed_History_1 = side1Failed_History_0 [L79] side1Failed_History_0 = val VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-128, cs1_old=-1, cs2=0, cs2_new=-128, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=-1, s1s1=0, s1s1_new=-1, s1s1_old=-1, s1s2=0, s1s2_new=-1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=-1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=0, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=53, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L277] COND FALSE !(\read(side1Failed)) [L284] side1 = s1s1_old [L285] s1s1_old = nomsg [L286] side2 = s2s1_old [L287] s2s1_old = nomsg [L288] manual_selection = cs1_old [L289] cs1_old = nomsg VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-128, cs1_old=-1, cs2=0, cs2_new=-128, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=-1, s1s1=0, s1s1_new=-1, s1s1_old=-1, s1s2=0, s1s2_new=-1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=-1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=0, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=53, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L290] COND TRUE (int )side1 == (int )side2 [L291] next_state = (int8_t )1 VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-128, cs1_old=-1, cs2=0, cs2_new=-128, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=-1, s1s1=0, s1s1_new=-1, s1s1_old=-1, s1s2=0, s1s2_new=-1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=-1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=0, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=53, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L314] EXPR next_state != nomsg && s1s1_new == nomsg ? next_state : s1s1_new VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-128, cs1_old=-1, cs2=0, cs2_new=-128, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=-1, s1s1=0, s1s1_new=-1, s1s1_old=-1, s1s2=0, s1s2_new=-1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=-1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=0, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=53, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L314] s1s1_new = next_state != nomsg && s1s1_new == nomsg ? next_state : s1s1_new [L315] EXPR next_state != nomsg && s1s2_new == nomsg ? next_state : s1s2_new VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-128, cs1_old=-1, cs2=0, cs2_new=-128, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=-1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=-1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=0, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=53, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L315] s1s2_new = next_state != nomsg && s1s2_new == nomsg ? next_state : s1s2_new [L316] EXPR next_state != nomsg && s1p_new == nomsg ? next_state : s1p_new VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-128, cs1_old=-1, cs2=0, cs2_new=-128, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=-1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=0, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=53, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L316] s1p_new = next_state != nomsg && s1p_new == nomsg ? next_state : s1p_new [L317] side1_written = next_state VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-128, cs1_old=-1, cs2=0, cs2_new=-128, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=-1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=53, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L323] int8_t side1 ; [L324] int8_t side2 ; [L325] msg_t manual_selection ; [L326] int8_t next_state ; [L329] side1 = nomsg [L330] side2 = nomsg [L331] manual_selection = (msg_t )0 [L332] side2Failed = __VERIFIER_nondet_bool() [L107] side2Failed_History_2 = side2Failed_History_1 [L108] side2Failed_History_1 = side2Failed_History_0 [L109] side2Failed_History_0 = val VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-128, cs1_old=-1, cs2=0, cs2_new=-128, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=-1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L334] COND FALSE !(\read(side2Failed)) [L341] side1 = s1s2_old [L342] s1s2_old = nomsg [L343] side2 = s2s2_old [L344] s2s2_old = nomsg [L345] manual_selection = cs2_old [L346] cs2_old = nomsg VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-128, cs1_old=-1, cs2=0, cs2_new=-128, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=-1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L347] COND TRUE (int )side1 == (int )side2 [L348] next_state = (int8_t )1 VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-128, cs1_old=-1, cs2=0, cs2_new=-128, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=-1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L371] EXPR next_state != nomsg && s2s1_new == nomsg ? next_state : s2s1_new VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-128, cs1_old=-1, cs2=0, cs2_new=-128, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=-1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L371] s2s1_new = next_state != nomsg && s2s1_new == nomsg ? next_state : s2s1_new [L372] EXPR next_state != nomsg && s2s2_new == nomsg ? next_state : s2s2_new VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-128, cs1_old=-1, cs2=0, cs2_new=-128, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=1, s2s1_old=-1, s2s2=0, s2s2_new=-1, s2s2_old=-1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L372] s2s2_new = next_state != nomsg && s2s2_new == nomsg ? next_state : s2s2_new [L373] EXPR next_state != nomsg && s2p_new == nomsg ? next_state : s2p_new VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-128, cs1_old=-1, cs2=0, cs2_new=-128, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=-1, s2p_old=-1, s2s1=0, s2s1_new=1, s2s1_old=-1, s2s2=0, s2s2_new=1, s2s2_old=-1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=0, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L373] s2p_new = next_state != nomsg && s2p_new == nomsg ? next_state : s2p_new [L374] side2_written = next_state VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-128, cs1_old=-1, cs2=0, cs2_new=-128, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=1, s2p_old=-1, s2s1=0, s2s1_new=1, s2s1_old=-1, s2s2=0, s2s2_new=1, s2s2_old=-1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L380] int8_t active_side ; [L381] int8_t tmp ; [L382] int8_t side1 ; [L383] int8_t side2 ; [L148] COND TRUE (int )index == 0 [L149] return (active_side_History_0); VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-128, cs1_old=-1, cs2=0, cs2_new=-128, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=1, s2p_old=-1, s2s1=0, s2s1_new=1, s2s1_old=-1, s2s2=0, s2s2_new=1, s2s2_old=-1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L386] tmp = read_active_side_history((unsigned char)0) [L387] active_side = tmp [L388] side1 = nomsg [L389] side2 = nomsg [L390] side1 = s1p_old [L391] s1p_old = nomsg [L392] side2 = s2p_old [L393] s2p_old = nomsg VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-128, cs1_old=-1, cs2=0, cs2_new=-128, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=1, s2p_old=-1, s2s1=0, s2s1_new=1, s2s1_old=-1, s2s2=0, s2s2_new=1, s2s2_old=-1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L394] COND FALSE !((int )side1 == 1) VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-128, cs1_old=-1, cs2=0, cs2_new=-128, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=1, s2p_old=-1, s2s1=0, s2s1_new=1, s2s1_old=-1, s2s2=0, s2s2_new=1, s2s2_old=-1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L397] COND FALSE !((int )side2 == 1) VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-128, cs1_old=-1, cs2=0, cs2_new=-128, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=1, s2p_old=-1, s2s1=0, s2s1_new=1, s2s1_old=-1, s2s2=0, s2s2_new=1, s2s2_old=-1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L400] COND FALSE !((int )side1 == 0) VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-128, cs1_old=-1, cs2=0, cs2_new=-128, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=1, s2p_old=-1, s2s1=0, s2s1_new=1, s2s1_old=-1, s2s2=0, s2s2_new=1, s2s2_old=-1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L408] COND TRUE (int )side1 == (int )nomsg VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-128, cs1_old=-1, cs2=0, cs2_new=-128, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=1, s2p_old=-1, s2s1=0, s2s1_new=1, s2s1_old=-1, s2s2=0, s2s2_new=1, s2s2_old=-1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L409] COND FALSE !((int )side2 == 0) [L412] active_side = (int8_t )0 VAL [active_side_History_0=-2, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-128, cs1_old=-1, cs2=0, cs2_new=-128, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=1, s2p_old=-1, s2s1=0, s2s1_new=1, s2s1_old=-1, s2s2=0, s2s2_new=1, s2s2_old=-1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L137] active_side_History_2 = active_side_History_1 [L138] active_side_History_1 = active_side_History_0 [L139] active_side_History_0 = val VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-128, cs1_old=-1, cs2=0, cs2_new=-128, cs2_old=-1, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=1, s1p_old=-1, s1s1=0, s1s1_new=1, s1s1_old=-1, s1s2=0, s1s2_new=1, s1s2_old=-1, s2p=0, s2p_new=1, s2p_old=-1, s2s1=0, s2s1_new=1, s2s1_old=-1, s2s2=0, s2s2_new=1, s2s2_old=-1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L588] cs1_old = cs1_new [L589] cs1_new = nomsg [L590] cs2_old = cs2_new [L591] cs2_new = nomsg [L592] s1s2_old = s1s2_new [L593] s1s2_new = nomsg [L594] s1s1_old = s1s1_new [L595] s1s1_new = nomsg [L596] s2s1_old = s2s1_new [L597] s2s1_new = nomsg [L598] s2s2_old = s2s2_new [L599] s2s2_new = nomsg [L600] s1p_old = s1p_new [L601] s1p_new = nomsg [L602] s2p_old = s2p_new [L603] s2p_new = nomsg [L423] int tmp ; [L424] msg_t tmp___0 ; [L425] _Bool tmp___1 ; [L426] _Bool tmp___2 ; [L427] _Bool tmp___3 ; [L428] _Bool tmp___4 ; [L429] int8_t tmp___5 ; [L430] _Bool tmp___6 ; [L431] _Bool tmp___7 ; [L432] _Bool tmp___8 ; [L433] int8_t tmp___9 ; [L434] _Bool tmp___10 ; [L435] _Bool tmp___11 ; [L436] _Bool tmp___12 ; [L437] msg_t tmp___13 ; [L438] _Bool tmp___14 ; [L439] _Bool tmp___15 ; [L440] _Bool tmp___16 ; [L441] _Bool tmp___17 ; [L442] int8_t tmp___18 ; [L443] int8_t tmp___19 ; [L444] int8_t tmp___20 ; VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=-128, cs2=0, cs2_new=-1, cs2_old=-128, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L447] COND TRUE ! side1Failed [L448] tmp = 1 VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=-128, cs2=0, cs2_new=-1, cs2_old=-128, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L58] COND FALSE !(!cond) VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=-128, cs2=0, cs2_new=-1, cs2_old=-128, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L178] COND FALSE !((int )index == 0) VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=-128, cs2=0, cs2_new=-1, cs2_old=-128, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L181] COND TRUE (int )index == 1 [L182] return (manual_selection_History_1); VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=-128, cs2=0, cs2_new=-1, cs2_old=-128, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L456] tmp___0 = read_manual_selection_history((unsigned char)1) [L457] COND TRUE ! tmp___0 [L88] COND FALSE !((int )index == 0) VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=-128, cs2=0, cs2_new=-1, cs2_old=-128, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L91] COND TRUE (int )index == 1 [L92] return (side1Failed_History_1); VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=-128, cs2=0, cs2_new=-1, cs2_old=-128, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L458] tmp___1 = read_side1_failed_history((unsigned char)1) [L459] COND TRUE ! tmp___1 [L88] COND TRUE (int )index == 0 [L89] return (side1Failed_History_0); VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=-128, cs2=0, cs2_new=-1, cs2_old=-128, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L460] tmp___2 = read_side1_failed_history((unsigned char)0) [L461] COND TRUE ! tmp___2 [L118] COND FALSE !((int )index == 0) VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=-128, cs2=0, cs2_new=-1, cs2_old=-128, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L121] COND TRUE (int )index == 1 [L122] return (side2Failed_History_1); VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=-128, cs2=0, cs2_new=-1, cs2_old=-128, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L462] tmp___3 = read_side2_failed_history((unsigned char)1) [L463] COND TRUE ! tmp___3 [L118] COND TRUE (int )index == 0 [L119] return (side2Failed_History_0); VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=-128, cs2=0, cs2_new=-1, cs2_old=-128, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L464] tmp___4 = read_side2_failed_history((unsigned char)0) [L465] COND TRUE ! tmp___4 VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=-128, cs2=0, cs2_new=-1, cs2_old=-128, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L466] COND FALSE !(! ((int )side1_written == 1)) VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=-128, cs2=0, cs2_new=-1, cs2_old=-128, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L471] COND FALSE !(! (! ((int )side1_written == 0))) VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=-128, cs2=0, cs2_new=-1, cs2_old=-128, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L476] COND TRUE ! (! ((int )side1_written == 1)) VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=-128, cs2=0, cs2_new=-1, cs2_old=-128, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L477] COND TRUE ! ((int )side2_written == 0) [L478] return (0); VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=-128, cs2=0, cs2_new=-1, cs2_old=-128, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L604] c1 = check() [L616] COND TRUE ! arg VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=-128, cs2=0, cs2_new=-1, cs2_old=-128, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] [L618] reach_error() VAL [active_side_History_0=0, active_side_History_1=-2, active_side_History_2=-2, cs1=0, cs1_new=-1, cs1_old=-128, cs2=0, cs2_new=-1, cs2_old=-128, manual_selection_History_0=-128, manual_selection_History_1=0, manual_selection_History_2=0, nomsg=-1, s1p=0, s1p_new=-1, s1p_old=1, s1s1=0, s1s1_new=-1, s1s1_old=1, s1s2=0, s1s2_new=-1, s1s2_old=1, s2p=0, s2p_new=-1, s2p_old=1, s2s1=0, s2s1_new=-1, s2s1_old=1, s2s2=0, s2s2_new=-1, s2s2_old=1, side1_written=1, side1Failed=0, side1Failed_History_0=0, side1Failed_History_1=0, side1Failed_History_2=0, side2_written=1, side2Failed=0, side2Failed_History_0=0, side2Failed_History_1=0, side2Failed_History_2=0] - UnprovableResult [Line: 618]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 618]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 618]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 618]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 618]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 618]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 618]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 618]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 618]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 618]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 618]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 618]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 618]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 618]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 618]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 618]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 618]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 618]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 618]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 618]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 618]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 618]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 296 locations, 23 error locations. Started 1 CEGAR loops. OverallTime: 10.2s, OverallIterations: 23, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 9668 SDtfs, 11925 SDslu, 15247 SDs, 0 SdLazy, 1353 SolverSat, 138 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 162 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=900occurred in iteration=22, InterpolantAutomatonStates: 119, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 22 MinimizatonAttempts, 7430 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1473 NumberOfCodeBlocks, 1473 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 1372 ConstructedInterpolants, 0 QuantifiedInterpolants, 4150 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-28 23:18:05,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b4a58c-03a2-4fa9-a92d-fd787fb38eae/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...